Originally Posted by sbchevfreak
You could try a set of World Sportsman II, The have a 200 cc intake runner, and the 72 cc chamber is availiable. Qutoe from their site:
Hi sbchevfreak, thanks and I really like the specs on these WS 11 heads. I found a good set with 68cc chamber and the 200 cc intake runners for a great price. Do you think these heads would drive my combustion up very much? I have about 9-1 now.